12 Pack Acoustic Panels With Self Adhesive, 12" X 12" X 0.4" High Density, Black ? Effective Noise Reduction: Design for tranquility, our wall soundproof foam panels are engineered with an exceptional NRC coefficient surpassing 0.95, they excel at absorbing diverse high and low-frequency noises, from bustling traffic to household chatter and blaring music. As you combine more panels, the noise gets weaker. ? High-Density Material: Power-packed with up to 14.35lb/ft of high-density material, our acoustic panels punch of curbing echoes and reverberations with ease. Not only do they bolster durability, but they also refine audio quality, enriching your audio experiences, whether it's a live broadcast, recording session, or immersive listening session. ?? Easy Installation: Simplify your setup with hassle-free installation. No need for extra tape or adhesive spray ? just peel off the kraft paper backing and effortlessly affix the sound panels to walls, doors, windows, or ceilings. This saves you significant time and money compared to adhesive-free options. ? Brick Design: Elevate your space with our chic 3D brick-shaped panels, perfect for rejuvenating worn or damaged walls. We marry superior acoustic function with aesthetic appeal, making them ideal for recording studios, control rooms, offices, home studios, and home theaters alike. ? Safety First: Prioritize your well-being with our 100% polyester panels, ensuring an eco-friendly, odorless, and non-toxic environment. Revel in peace of mind knowing there are no risks associated with prolonged exposure to our acoustic foam panels. This set comprises 12 pieces measuring 12 X 12 X 0.4 inches, suitable for an area about 12 ft.